Hassock
Litterally a prayer cushion, however sounds like one of the most fantastic insults imagineable. Used to insult god-fanatics and all manner of church-goers in order to remove their one decently named material possession.
Dave (to a priest): y'all a hassock!
Priest: the power of christ compells you *throws holy water*
Dave: IT BURNS!
Priest: the power of christ compells you *throws holy water*
Dave: IT BURNS!